head to head
Mushihimesama asks more than Red Dead Redemption 2, and the gap is execution.

Execution · Practiced Mastery
A Cave bullet hell demanding the highest execution ceiling of any mainstream shmup, with a rank system that punishes passivity.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Mushihimesama leans Execution (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Mushihimesama leans clearly harder on execution.
Mushihimesama
Ultra Maniac difficulty requires inhuman movement precision
Red Dead Redemption 2
Gunplay and Dead Eye reward aim and timing.
Red Dead Redemption 2 leans a little harder on reads, though the gap is small.
Mushihimesama
All bullet patterns are scripted Cave bullet-hell formations
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Mushihimesama
Rank system alters bullet speed based on play style
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Mushihimesama leans clearly harder on optimization.
Mushihimesama
Shot type selection, rank management, and scoring routes are solvable
Red Dead Redemption 2
Loadouts and routes solvable but loose.
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.